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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWNqamMteHA4di04NTV3

Helm uses crypto package vulnerable to panic from malformed X.509 certificate

The Helm core maintainers have identified a high severity security vulnerability in Go's crypto package affecting all versions prior to Helm 2.16.8 and Helm 3.1.0.

Thanks to @ravin9249 for identifying the vulnerability.

Impact

Go before 1.12.16 and 1.13.x before 1.13.7 (and the crypto/cryptobyte package before 0.0.0-20200124225646-8b5121be2f68 for Go) allows attacks on clients resulting in a panic via a malformed X.509 certificate. This may allow a remote attacker to cause a denial of service.

Patches

A patch to compile Helm against Go 1.14.4 has been provided for Helm 2 and is available in Helm 2.16.8. Helm 3.1.0 and newer are compiled against Go 1.13.7+.

Workarounds

No workaround is available. Users are urged to upgrade.

References

For more information

If you have any questions or comments about this advisory:

Permalink: https://github.com/advisories/GHSA-cjjc-xp8v-855w
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWNqamMteHA4di04NTV3
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: about 3 years ago
Updated: 3 months ago


CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-cjjc-xp8v-855w, CVE-2020-7919
References: Repository: https://github.com/helm/helm
Blast Radius: 40.7

Affected Packages

go:helm.sh/helm/v3
Dependent packages: 1,580
Dependent repositories: 5,000
Downloads:
Affected Version Ranges: >= 3.0.0, < 3.1.0
Fixed in: 3.1.0
All affected versions: 3.0.0, 3.0.1, 3.0.2, 3.0.3
All unaffected versions: 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 3.4.0, 3.4.1, 3.4.2, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.7.0, 3.7.1, 3.7.2, 3.8.0, 3.8.1, 3.8.2, 3.9.0, 3.9.1, 3.9.2, 3.9.3, 3.9.4, 3.10.0, 3.10.1, 3.10.2, 3.10.3, 3.11.0, 3.11.1, 3.11.2, 3.11.3, 3.12.0, 3.12.1, 3.12.2, 3.12.3, 3.13.0, 3.13.1, 3.13.2, 3.13.3, 3.14.0
go:golang.org/x/crypto
Dependent packages: 125,672
Dependent repositories: 269,003
Downloads:
Affected Version Ranges: < 0.0.0-20200124225646-8b5121be2f68
Fixed in: 0.0.0-20200124225646-8b5121be2f68
All affected versions:
All unaffected versions: 0.1.0, 0.2.0, 0.3.0, 0.4.0, 0.5.0, 0.6.0, 0.7.0, 0.8.0, 0.9.0, 0.10.0, 0.11.0, 0.12.0, 0.13.0, 0.14.0, 0.15.0, 0.16.0, 0.17.0, 0.18.0, 0.19.0, 0.20.0, 0.21.0, 0.22.0, 0.23.0, 0.24.0, 0.25.0
go:github.com/helm/helm
Dependent packages: 9
Dependent repositories: 45
Downloads:
Affected Version Ranges: >= 2.0.0, < 2.16.8
Fixed in: 2.16.8
All affected versions: 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.3.0, 2.3.1, 2.4.0, 2.4.1, 2.4.2, 2.5.0, 2.5.1, 2.6.0, 2.6.1, 2.6.2, 2.7.0, 2.7.1, 2.7.2, 2.8.0, 2.8.1, 2.8.2, 2.9.0, 2.9.1, 2.10.0, 2.11.0, 2.12.0, 2.12.1, 2.12.2, 2.12.3, 2.13.0, 2.13.1, 2.14.0, 2.14.1, 2.14.2, 2.14.3, 2.15.0, 2.15.1, 2.15.2, 2.16.0, 2.16.1, 2.16.2, 2.16.3, 2.16.4, 2.16.5, 2.16.6, 2.16.7
All unaffected versions: 1.2.1, 2.16.8, 2.16.9, 2.16.10, 2.16.11, 2.16.12, 2.17.0